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Mosesite

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Formula:
(Hg2N)(Cl,SO4,MoO4) · H2O
System:
Isometric
Colour:
Yellow; turns ...
Hardness:
3 - 4
Name:
Named in 1910 by Frederick Alexander Canfield, William Francis Hillebrand, and Waldemar Theodore Schaller in honor of Alfred Joseph Moses [July 25, 1859 Brooklyn, New York, USA - February 27, 1920 Mount Kisco, New York, USA], Professor of Mineralogy, Columbia University, who first described several of the mercury minerals from Terlingua, Texas.
This page provides mineralogical data about Mosesite.

Classification of Mosesite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
3.DD.30

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
29.3.8.1

29 : HYDRATED ACID AND NORMAL SULFATES
3 : A2B(XO4)2·xH2O
26.15

26 : Sulphates with Halide
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First Recorded Occurrence of Mosesite

Associated Minerals at First Recorded Locality:

Physical Properties of Mosesite

Adamantine
Diaphaneity (Transparency):
Transparent
Colour:
Yellow; turns olive-green upon prolonged exposure to light.
Streak:
Very light yellow
Hardness (Mohs):
3 - 4
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
On {111}
Fracture:
Irregular/Uneven

Crystallography of Mosesite

Crystal System:
Isometric
Morphology:
Crystals usally octahedral; also cubo-octahedral or cubic.
Twinning:
Twin plane {111} common; repeated groups at times.

Optical Data of Mosesite

Type:
Isotropic
Comments:
Becomes isotropic when heated over about 186°.

Chemical Properties of Mosesite

Formula:
(Hg2N)(Cl,SO4,MoO4) · H2O
Essential elements:
All elements listed in formula:

Relationship of Mosesite to other Species

3.DD.05Eglestonite(Hg22+)3OCl3(OH)
3.DD.05Kadyrelite(Hg22+)3OBr3(OH)
3.DD.10Poyarkovite(Hg22+)3Cl2O2
3.DD.15Hanawaltite(Hg22+)3Hg2+(Cl,OH)2O3
3.DD.20Terlinguaite(Hg22+)Hg22+Cl2O2
3.DD.25PinchiteHg52+Cl2O4
3.DD.30Gianellaite(Hg2N)2SO4
3.DD.35Kleinite(Hg2N)(Cl,SO4) · nH2O
3.DD.40Tedhadleyite(Hg2+)5Hg2+I2(Cl,Br)2O4
3.DD.45Vasilyevite(Hg2+)10I3Br2Cl(CO3)O6
3.DD.50Aurivilliusite(Hg2+)0.5Hg2+(I,Br,Cl)O
3.DD.55TerlinguacreekiteHg32+Cl2O2
3.DD.60Kelyanite(Hg2+)6Sb3+BrCl2O6
3.DD.65ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
26.1KogarkoiteNa3(SO4)F
26.2SulphohaliteNa6(SO4)2FCl
26.3SchaireriteNa3(SO4)(F,Cl)
26.4GaleiteNa15(SO4)5F4Cl
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
26.6ChlorothioniteK2Cu(SO4)Cl2
26.7KamchatkiteKCu3(SO4)2OCl
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
26.9AubertiteCuAl(SO4)2Cl · 14H2O
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
26.12D'AnsiteNa21Mg(SO4)10Cl3
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2O
26.16Kleinite(Hg2N)(Cl,SO4) · nH2O
26.17WilcoxiteMgAl(SO4)2F · 17H2O
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2O
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2O
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2O
26.22GrandreefitePb2(SO4)F2
26.23PseudograndreefitePb6(SO4)F10
26.24SundiusitePb10(SO4)O8Cl2
26.25CaracoliteNa3Pb2(SO4)3Cl
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3Cl
26.28XitieshaniteFe3+(SO4)Cl · 6H2O
26.29NabokoiteKCu7(SO4)5(Te4+O3)OCl

Other Names for Mosesite

Name in Other Languages:
German:Mosesit
Spanish:Mosesita

Other Information

Other Information:
Alters to a white substance retaining its original shape when placed into cold HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Mosesite

Reference List:
Canfield, Hillebrand, and Schaller (1910) American Journal of Science: 30: 202.

Canfield (1913) Columbia University School of Mines Quarterly: 34, no. 3

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 113.

Bird (1932) American Mineralogist: 17: 541.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 89-90.

American Mineralogist (1953): 38: 1225-1234.

Neues Jahrbuch für Mineralogie, Monatshefte (1973): 3: 126.

Internet Links for Mosesite

Localities for Mosesite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Mexico
 
  • Guerrero
    • Mun. de Taxco
      • Hauhauxtla
Panczner (1987): 135-372.
  • Queretaro
    • Mun. de Cadereyta
      • El Doctor (Doctor)
Panczner (1987): 279.
USA
 
  • California
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
Dunning, Hadley, Cooper, Magnasco collections; Mineralogical Record (1993): 24: 471-475.
    • San Mateo Co.
      • Emerald Lake Hills
The Challenge Mercury Deposit, Redwood City, San Mateo County, California.,Gail Dunning, BAM Journal, Vol. 9 No. 1.
  • Nevada
    • Humboldt Co.
      • Opalite District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Pershing Co.
      • Humboldt Range
        • Willard District
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 90.
  • Texas
    • Brewster Co.
American Journal of Science, ser. 4 (1910): 30: 202-208; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 90; Mineralogical Record: 21: 233.
Rocks & Minerals: 66(1): 202.
Mineral and/or Locality  
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